var fs = require('fs')
function readFile(filename) {
  return new Promise((resolve, reject) => {
    fs.readFile(filename, function(err, data) {
      if (err) {
        reject(err)
      } else {
        resolve(data)
      }
    })
  })
}
async function read() {
  await readFile('./axios.js').then(res => {
    console.log('22222' + res)
  })
  console.log(8888888888888)
  await readFile('./axiosuse.js').then(res => {
    console.log('11111' + res)
  })
}
read()
